Type "debugup" during game play to enable debug mode. Location coordinates will appear in the top right corner to confirm correct code entry. Dinosaurs will ignore your character unless shot. Additionally, activate the following cheats by entering the corresponding codes. Note: You can also type "debugup" while the screen is black to activate debug mode.
CHEAT FUNCTION - CHEAT CODE Display frame rate - SHIFT + T Full map - TAB Run faster - CTRL Slow motion mode - SHIFT + S Super jumps - CTRL + N Toggle fog - SHIFT + F Flight mode - SHIFT + L Toggle 3D objects - SHIFT + M Env. Shaded graphics - SHIFT + E Phong shaded graphics - SHIFT + P Gourard shaded graphics - SHIFT + G Clouds and shadows - SHIFT + C Invincibility - SHIFT + I